CN103063214B - Dynamic high-precision grating scale angle of rudder reflection measurement mechanism and measuring method - Google Patents
Dynamic high-precision grating scale angle of rudder reflection measurement mechanism and measuring method Download PDFInfo
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Abstract
Dynamic high-precision grating scale angle of rudder reflection measurement mechanism and measuring method, relate to a kind of angle of rudder reflection measuring system.The invention solves the problem that the measuring accuracy of existing method to angle of rudder reflection is low.Guide rail bracket combination is fixedly connected with arc-shaped guide rail, spacing combination is enclosed within rudder face, and clamp bracket combination is fixed on rudder face, and read head is installed on clamping bracket combination, grating scale is pasted onto on arc-shaped guide rail, and the center of circle that the center of circle of grating scale, read head are rotated and rudderpost overlap.The grating signal output terminal of grating sensor is connected with the grating signal input end of grating signal processing unit, the grating signal output terminal of grating signal processing unit is connected with the control signal input end of micro controller unit, the data of micro controller unit store and read end and write with the data of data storage cell and be connected with reading to hold, and the control signal I/O of micro controller unit is connected with the control signal I/O of microprocessor unit. and the present invention is applicable to the measurement to angle of rudder reflection.
Description
Technical field
The present invention relates to a kind of angle of rudder reflection measuring system, be specifically related to a kind of dynamic high-precision grating scale angle of rudder reflection measurement mechanism and measuring method.
Background technology
Guided missile is the important weapon of modern war, is the important symbol of the modernization of national defense.The development of modern war to guided weapon proposes brand-new requirement, requires that guided missile can strike target accurately and rapidly, therefore, accurately must control in the flight course of guided missile to guided missile.
Rudder Servo System is ingredient indispensable in guided missile system, and it controls flight path and the flight attitude of guided missile.During system worked well, steering engine controller receives the control surface deflection angle signal that guidance computer provides, simultaneously according to certain algorithm control flaps deflecting facet, the actual deflection angle of current rudder face with certain given drift angle of precision convergence, is fed back to guidance computer by guarantee rudder face in official hour simultaneously; And when system meets accident fault, steering engine controller receives the safety control command of guidance computer, drive control surface deflection, to coordinate the realization of missile destruct action, in order to avoid guided missile causes unexpected injury to unscheduled target in operational process by predetermined deflection angle.Thus, in the processes such as the production of guided missile, debugging and inspection, Measurement accuracy rudder face, with the actual deflection angle of steering wheel, has very important meaning to the correctness of control algolithm in the precision of checking servos control and validity and bullet.
Have multiple method can realize measuring angle of rudder reflection at present, as measuring method manually, based on angular displacement sensor measuring method, optical visual measuring method, optical rotary encoder measuring method, based on MEMS obliquity sensor measuring method
[9]deng.In these methods, measuring method automaticity is low manually, and the personnel needed during measurement are many, and secondly, due to manual observation control surface deflection angle, easily produce personal error, measuring accuracy is low.Based in angular displacement sensor measuring method due to rely between steering wheel and rudder face mechanical driving device connect (such as gear, connecting rod etc.), inevitably gap is there is between mechanical connecting device, and can deform when stressed, the numerical value that therefore angular displacement sensor is measured can not the true rotational angle of accurate representation rudder face.Complicated based on optical visual measuring method device normalization, expensive, its measuring accuracy is relevant with adopted image processing algorithm, and the angle value adopting different image processing algorithms to obtain is different.Comprise based on optical rotary encoder angle of rudder reflection measuring method and measure based on Incremental Photoelectric Rotary Encoder and measure based on absolute type optical rotary encoder, the corresponding measurement point that Incremental Photoelectric Rotary Encoder is determined because of nothing, once have a power failure, lose current location, and speed No overtaking reader limit response speed.Absolute type optical rotary encoder complex structure, price are high, simultaneously by the restriction of code-disc size, and its limited precision.Because obliquity sensor is by the impact of tested device acceleration of motion in measuring based on MEMS obliquity sensor angle of rudder reflection, measuring accuracy is low.In sum, existing angle of rudder reflection measuring method also exists the shortcomings such as measuring accuracy is low, installation inconvenience.
Summary of the invention
In order to solve the low problem of the measuring accuracy of existing method to angle of rudder reflection, propose dynamic high-precision grating scale angle of rudder reflection measurement mechanism and measuring method.
Dynamic high-precision grating scale angle of rudder reflection measurement mechanism is drawn together angle of rudder reflection and is measured support, grating sensor, angle of rudder reflection display combination, host computer and angle of rudder reflection measurement cabinet;
Angle of rudder reflection is measured support and is comprised 4 arc-shaped guide rails, 4 clamp bracket combinations, 4 spacing combinations, 1 guide rail bracket combination and 4 location-plates,
Grating sensor comprises 4 read heads and 4 sections of grating scales,
Rudder partially shows combination and comprises grating signal processing unit, microprocessor unit, micro controller unit, data storage cell, liquid crystal display, communication unit and power module,
Angle of rudder reflection measures the 3U cabinet that cabinet is standard, and inside is provided with one piece of circuit board and power supply,
Guide rail bracket combination four sway braces have been provided with, the center on described four sway brace edges is along the circumferential direction uniformly distributed, the end of each sway brace is fixed with an arc-shaped guide rail, a clamp bracket combination, a spacing combination, a location-plate, a read head and one section of grating scale, wherein said arc-shaped guide rail is fixed on sway brace, described arc-shaped guide rail is fixedly connected with location-plate, described location-plate combines with clamp bracket and is fixedly connected with, read head is arranged in clamp bracket combination, described clamp bracket combination is used for fixing with rudder face to be measured, spacing combination is enclosed within rudder face, the inner arc wall that grating scale is pasted onto arc-shaped guide rail forms Circular gratings, the center of circle of this Circular gratings, the center of circle that read head rotates all is positioned on rudderpost,
The grating signal output terminal of grating sensor is connected with the grating signal input end of grating signal processing unit, the grating signal output terminal of grating signal processing unit is connected with the control signal input end of micro controller unit, the data of micro controller unit store and read end and write with the data of data storage cell and be connected with reading to hold, the control signal I/O of micro controller unit is connected with the control signal I/O of microprocessor unit, the display output terminal of microprocessor unit is connected with the display input end of liquid crystal display, micro controller unit carries out communication by communication unit and host computer, microprocessor unit carries out communication by communication unit and host computer, the electrical signal of power module is connected with the electric signal input end of grating sensor, angle of rudder reflection display combination is arranged on angle of rudder reflection and measures cabinet inside.
Adopt dynamic high-precision grating scale angle of rudder reflection measurement mechanism to realize the method for angle of rudder reflection measurement, the concrete steps that it comprises are as follows:
Steps A 1: angle of rudder reflection is measured support installing to missile tail, and clamp bracket combination is fixed on the rudder face of missile tail;
Steps A 2: open angle of rudder reflection measure on cabinet power switch;
Steps A 3: using angle of rudder reflection display combination as server, host computer is as customer side, and the network information of configuration host computer realizes host computer and the communication of angle of rudder reflection display combinational network;
Steps A 4: host computer configuration angle of rudder reflection display combination sampling rate, sampling channel, storage time information;
Steps A 5: during control surface deflection, the key light grid of grating scale and the indication grating relative displacement on read head can produce Moire fringe, and described Moire fringe is grating signal;
Steps A 6: the grating signal collected in steps A 8 is sent to grating signal processing unit this grating signal is converted into electric signal;
Steps A 7: the electric signal obtained is sent to microprocessor unit by micro controller unit by grating signal processing unit;
Steps A 8: the electric signal received calculates by microprocessor unit, obtains the angle value of control surface deflection;
Steps A 9: the angle value of the control surface deflection calculated is sent to host computer by communication unit by microprocessor unit.
The present invention has relative to existing method and installs simple, measuring accuracy advantages of higher, in the integration test of guided missile, when steering engine controller receives guidance computer control flaps deflecting facet, it can measure the angle of rudder face actual deflection in real time, dynamically, measurement of angle scope is not less than-40 ~+40 °, and measuring accuracy is not less than 0.01 °; Control surface deflection angle can be shown in real time, and judge control surface deflection direction; Rudder shows combination partially can at real time record angle of rudder reflection numerical value under PC control, and data space is 32M; Under PC control, angle of rudder reflection display combination both can continuous coverage, store angle of rudder reflection data, also can single measurement angle of rudder reflection data, can also both carry out simultaneously; Rudder shows combination partially can realize network interface communication with host computer.
Due to advantages such as grating sensor measuring accuracy is high, quality is little, untouchable measurements, be applicable to very much the occasion of high precision, Quick Measurement, therefore, the present invention have developed the angle of rudder reflection measurement mechanism based on grating sensor, can realize 4 road guided missile angle of rudder reflection and measure in real time.
Accompanying drawing explanation
Fig. 1 is the electronic schematic diagram of dynamic high-precision grating scale angle of rudder reflection measurement mechanism;
Fig. 2 is the electronic schematic diagram of the dynamic high-precision grating scale angle of rudder reflection measurement mechanism described in embodiment one;
Fig. 3 is the front view that angle of rudder reflection measures support;
Fig. 4 is the vertical view that angle of rudder reflection measures support;
Fig. 5 is the front view that angle of rudder reflection measures cabinet;
Fig. 6 is the side view that angle of rudder reflection measures cabinet;
Fig. 7 is the vertical view that angle of rudder reflection measures cabinet;
Fig. 8 is the process flow diagram of the method that the angle of rudder reflection described in embodiment eight is measured.
Embodiment
Embodiment one: composition graphs 1, Fig. 3 and Fig. 4 illustrate present embodiment, dynamic high-precision grating scale angle of rudder reflection measurement mechanism described in present embodiment, it comprises angle of rudder reflection and measures support 1, grating sensor 2, angle of rudder reflection display combination 3, host computer 4 and angle of rudder reflection measurement cabinet;
Angle of rudder reflection is measured support 1 and is comprised 4 arc-shaped guide rail 1-1,4 clamp bracket combination 1-2,4 spacing combination 1-3,1 guide rail bracket combination 1-4 and 4 location-plate 1-5,
Grating sensor 2 comprises 4 read head 2-1 and 4 section grating scale 2-2,
Rudder partially shows combination 3 and comprises grating signal processing unit 3-1, microprocessor unit 3-2, micro controller unit 3-3, data storage cell 3-4, liquid crystal display 3-5, communication unit 3-6 and power module 3-7,
Angle of rudder reflection measures the 3U cabinet that cabinet 5 is standard, and inside is provided with one piece of circuit board and power supply,
Guide rail bracket combination 1-4 four sway brace 1-4-1 have been provided with, described four sway brace 1-4-1 are along the circumferential direction uniformly distributed along the center of 1-4, the end of each sway brace 1-4-1 is fixed with an arc-shaped guide rail 1-1, a clamp bracket combination 1-2, a spacing combination 1-3, a location-plate 1-5, a 2-1 read head and one section of grating scale 2-2, wherein said arc-shaped guide rail 1-1 is fixed on sway brace 1-4-1, described arc-shaped guide rail 1-1 is fixedly connected with location-plate 1-5, described location-plate 1-5 and clamp bracket combine 1-2 and are fixedly connected with, read head 2-1 is arranged on clamp bracket combination 1-2, described clamp bracket combination 1-2 is used for fixing with rudder face to be measured, spacing combination 1-3 is enclosed within rudder face, the inner arc wall that grating scale 2-2 is pasted onto arc-shaped guide rail 1-1 forms Circular gratings, the center of circle of this Circular gratings, the center of circle that read head 2-1 rotates all is positioned on rudderpost.
The grating signal output terminal of grating sensor 2 is connected with the grating signal input end of grating signal processing unit 3-1, the grating signal output terminal of grating signal processing unit 3-1 is connected with the control signal input end of micro controller unit 3-3, the data of micro controller unit 3-3 store and read end and write with the data of data storage cell 3-4 and be connected with reading to hold, the control signal I/O of micro controller unit 3-3 is connected with the control signal I/O of microprocessor unit 3-2, the display output terminal of microprocessor unit 3-2 is connected with the display input end of liquid crystal display, micro controller unit 3-3 carries out communication by communication unit 3-6 and host computer 4, microprocessor unit 3-2 carries out communication by communication unit 3-6 and host computer 4, the electrical signal of power module 3-7 is connected with the electric signal input end of grating sensor 2, angle of rudder reflection display combination 3 is arranged on angle of rudder reflection and measures cabinet inside.
Described in present embodiment, grating signal processing unit 3-1 outputs signal A1-A4, B1-B4 and Z1-Z4 process to grating, comprises picking out control surface deflection direction DIR signal DIR1-DIR4 and rudder face and rotating forward signal UP signal UP1-UP4 and rotate backward signal DOWN signal DOWN1-DOWN4 etc.; Whole rudder shows combination partially using FPGA as microcontroller, realizes grating pulse count signal, data storage, microprocessor communications etc. after to process; The alternating voltage of 220V is converted to the DC voltage producing+5V and+12V by power module 3-7, as shown in Figure 2.
Angle of rudder reflection is measured support 1 and is arranged on tested device afterbody, and grating scale 2-2 is pasted onto on mounting bracket, and read head 2-1 is connected by clamp bracket combination 1-2 with rudder face, and when rudder face rotates, clamp bracket combination 1-2 drives read head 2-1 to rotate with rudder face; Arc-shaped guide rail 1-1 is fixed on guide rail bracket, realizes the non-cpntact measurement of angle of rudder reflection; Location-plate 1-5, for locating arc-shaped guide rail 1-1, makes the center of circle of arc-shaped guide rail 1-1 and the center of circle of rudderpost overlap.
Angle of rudder reflection measures the tooling device that support 1 is measuring missile afterbody rudder body rotational angle, be arranged on missile tail, when the control surface deflection angle signal that steering engine controller receiving computer provides and control flaps deflecting facet time, read head 2-1 will rotate with rudder face, and read head 2-1 exports the electric signal proportional with control surface deflection angle.
Present embodiment ensures that the mounting means that the center of circle of described grating scale 2-2, the center of circle of read head 2-1 rotation and rudderpost overlap is: each rudder face has a pilot hole, by this sky location clamping bracket combination 1-2, clamp bracket is made to combine the rear edge of 1-2 to rudder face apart from equal and upper along overlapping with rudder face, read head 2-1 is arranged on clamp bracket combination 1-2, can ensure that the center of circle that read head 2-1 rotates overlaps with rudderpost; Register pin 2 connected positioning plate 1-5 and clamp bracket combination, two register pins 2 ensure that the position, the center of circle of location-plate 1-5 overlaps with rudderpost; Register pin 1 connects arc-shaped guide rail 1-1 and location-plate 1-5, the center of circle of arc-shaped guide rail 1-1 and location-plate 1-5 is overlapped, and register pin 1 connects arc-shaped guide rail and location-plate 1-5, and the center of circle of arc-shaped guide rail 1-1 and location-plate 1-5 is overlapped, therefore, the center of circle of arc-shaped guide rail overlaps with rudderpost; The center of circle of arc-shaped guide rail 1-1 is overlapped with rudderpost; After fixing read head 2-1 and arc-shaped guide rail 1-1, mounting guide rail pressure pin, takes off location-plate 1-5 subsequently.
The alternating voltage of 220V is converted to the DC voltage producing+5V and+12V by the power module 3-6 described in present embodiment.Described data storage cell 3-4 comprises the SDRAMS1-4R1-1M of two panels 16M, for storing the multipair umber of pulse of answering of control surface deflection angle; Liquid crystal display adopts RS-232 serial ports to control, in real time the angle of display 4 road control surface deflections;
The external box of microvave that described angle of rudder reflection measures cabinet 5 forms enclosed housing by top board, base plate, left side plate and front and back panel, described top board, base plate, left plate, right plate, front panel and rear panel all adopt hard aluminium alloy plate, described front panel is equipped with status indicator lamp, reset key, power switch, rear panel is equipped with electrical cnnector, as Fig. 5, Fig. 6 and Fig. 7.
Liquid crystal display select 5 inches liquid crystal display, status indicator lamp comprises+12V power light ,+5V power light, four road angle of rudder reflection signal lamps, malfunction indicator lamp and normal pilot lamp, and rear panel is equipped with electrical cnnector and comprises power connector, network interface connector, four tunnel grating signal connectors and two-way RS-422 communications connectors.
Embodiment two: the difference of present embodiment and the dynamic high-precision grating scale angle of rudder reflection measurement mechanism described in embodiment one is, the arc guide rail that described arc-shaped guide rail 1-1 is radius is 180mm, central angle is 80 °.
Grating scale F is pasted onto on arc-shaped guide rail 1-1 and forms Circular gratings.
Embodiment three: the difference of present embodiment and the dynamic high-precision grating scale angle of rudder reflection measurement mechanism described in embodiment one is, described microprocessor unit 3-2 adopts embedded computer PC/104 or ATmega128 chip microcontroller.
PC/104 described in present embodiment is as backup microprocessor, the extendability of increase system, described PC/104 is connected with USB interface, network interface chip, mouse, keyboard and liquid crystal display connects, and microprocessor unit 3-2 is for calculating the angle value of control surface deflection and controlling liquid crystal display and carry out data transmission with outer computer by network interface chip.
Embodiment four: the difference of present embodiment and the dynamic high-precision grating scale angle of rudder reflection measurement mechanism described in embodiment one is, described microprocessor unit 3-2 adopts bi-processor architecture, described dual processor adopts embedded computer PC/104 and ATmega128 chip microcontroller respectively, and wherein embedded computer PC/104 is as backup microprocessor.
Embodiment five: the difference of present embodiment and the dynamic high-precision grating scale angle of rudder reflection measurement mechanism described in embodiment one is, described micro controller unit 3-3 adopts FPGA to realize.
Micro controller unit 3-3 described in present embodiment also can be connected with LED by driver.
Embodiment six: the difference of present embodiment and the dynamic high-precision grating scale angle of rudder reflection measurement mechanism described in embodiment one is, adopts RS-232 serial communication mode to realize data and transmit between described liquid crystal display 3-5 and microprocessor unit 3-2.
Liquid crystal display 3-5 in present embodiment is connected with ATmega128 single-chip microcomputer by serial port chip RS-232.
Embodiment seven: the difference of present embodiment and the dynamic high-precision grating scale angle of rudder reflection measurement mechanism described in embodiment one is, described communication unit 3-6 comprises RS-422 driving chip and network interface chip.
Communication unit 3-6 described in present embodiment realizes rudder and partially shows the exchange of combining and carrying out order and data with host computer, comprise RS-422 communication and network interface communication, described RS-422 is used for backup, microcontroller FPGA is by optocoupler, driving chip, DC-DC power module and host computer carry out communication, network interface communication unit realize rudder partially show combination with host computer carry out data transmission.
Embodiment eight: present embodiment is described see Fig. 8, adopt the dynamic high-precision grating scale angle of rudder reflection measurement mechanism described in embodiment one to realize the method for angle of rudder reflection measurement, the concrete steps that it comprises are as follows:
Steps A 1: angle of rudder reflection is measured support 1 and be installed to missile tail, and clamp bracket is combined 1-2 and be fixed on the rudder face of missile tail;
Steps A 2: open angle of rudder reflection measure on cabinet 5 power switch;
Steps A 3: angle of rudder reflection is shown combination 3 as server, host computer 4 is as customer side, and the network information of configuration host computer 4 realizes host computer 4 and angle of rudder reflection display combination 3 network communication;
Steps A 4: host computer 4 configure the angle of rudder reflection display sampling rate of combination 3, sampling channel, storage time information;
Steps A 5: during control surface deflection, the key light grid of grating scale and the indication grating relative displacement on read head can produce Moire fringe, and described Moire fringe is grating signal;
Steps A 6: the grating signal collected in steps A 8 is sent to grating signal processing unit 3-1 and this grating signal is converted into electric signal;
Steps A 7: the electric signal obtained is sent to microprocessor unit 3-2 by micro controller unit 3-3 by grating signal processing unit 3-1;
Steps A 8: the electric signal received calculates by microprocessor unit 3-2, obtains the angle value of control surface deflection;
Steps A 9: the angle value of the control surface deflection calculated is sent to host computer 4 by communication unit 3-6 by microprocessor unit 3-2.
Claims (8)
1. dynamic high-precision grating scale angle of rudder reflection measurement mechanism, it is characterized in that, it comprises angle of rudder reflection and measures support (1), grating sensor (2), angle of rudder reflection display combination (3), host computer (4) and angle of rudder reflection measurement cabinet;
Angle of rudder reflection is measured support (1) and is comprised 4 arc-shaped guide rails (1-1), 4 clamp brackets combination (1-2), 4 spacing combinations (1-3), 1 guide rail bracket combination (1-4) and 4 location-plates (1-5)
Grating sensor (2) comprises 4 read heads (2-1) and 4 sections of grating scales (2-2),
Angle of rudder reflection display combination (3) comprises grating signal processing unit (3-1), microprocessor unit (3-2), micro controller unit (3-3), data storage cell (3-4), liquid crystal display (3-5), communication unit (3-6) and power module (3-7)
Angle of rudder reflection measures the 3U cabinet that cabinet (5) is standard, and inside is provided with one piece of circuit board and power supply,
Guide rail bracket combination (1-4) is provided with four sway braces (1-4-1), described four sway braces (1-4-1) are along the circumferential direction uniformly distributed along the center of guide rail bracket combination (1-4), the end of each sway brace (1-4-1) is fixed with an arc-shaped guide rail (1-1), clamp bracket combination (1-2), a spacing combination (1-3), a location-plate (1-5), a read head (2-1) and one section of grating scale (2-2), wherein said arc-shaped guide rail (1-1) is fixed on sway brace (1-4-1), described arc-shaped guide rail (1-1) is fixedly connected with location-plate (1-5), described location-plate (1-5) combines (1-2) and is fixedly connected with clamp bracket, read head (2-1) is arranged on clamp bracket combination (1-2), described clamp bracket combination (1-2) is for fixing with rudder face to be measured, spacing combination (1-3) is enclosed within rudder face, the inner arc wall that grating scale (2-2) is pasted onto arc-shaped guide rail (1-1) forms Circular gratings, the center of circle of this Circular gratings, the center of circle that read head (2-1) rotates all is positioned on rudderpost,
The grating signal output terminal of grating sensor (2) is connected with the grating signal input end of grating signal processing unit (3-1), the grating signal output terminal of grating signal processing unit (3-1) is connected with the control signal input end of micro controller unit (3-3), the data of micro controller unit (3-3) store and read end and write with the data of data storage cell (3-4) and be connected with reading to hold, the control signal I/O of micro controller unit (3-3) is connected with the control signal I/O of microprocessor unit (3-2), the display output terminal of microprocessor unit (3-2) is connected with the display input end of liquid crystal display, micro controller unit (3-3) carries out communication by communication unit (3-6) and host computer (4), microprocessor unit (3-2) carries out communication by communication unit (3-6) and host computer (4), the electrical signal of power module (3-7) is connected with the electric signal input end of grating sensor (2), angle of rudder reflection display combination (3) is arranged on angle of rudder reflection and measures cabinet inside.
2. dynamic high-precision grating scale angle of rudder reflection measurement mechanism according to claim 1, is characterized in that, the arc guide rail that described arc-shaped guide rail (1-1) is radius is 180mm, central angle is 80 °.
3. dynamic high-precision grating scale angle of rudder reflection measurement mechanism according to claim 1, it is characterized in that, described microprocessor unit (3-2) adopts embedded computer PC/104 or ATmega128 chip microcontroller.
4. dynamic high-precision grating scale angle of rudder reflection measurement mechanism according to claim 1, it is characterized in that, described microprocessor unit (3-2) adopts bi-processor architecture, described dual processor adopts embedded computer PC/104 and ATmega128 chip microcontroller respectively, and wherein embedded computer PC/104 is as backup microprocessor.
5. dynamic high-precision grating scale angle of rudder reflection measurement mechanism according to claim 1, it is characterized in that, described micro controller unit (3-3) adopts FPGA to realize.
6. dynamic high-precision grating scale angle of rudder reflection measurement mechanism according to claim 1, is characterized in that, adopt RS-232 serial communication mode to realize data and transmit between described liquid crystal display (3-5) and microprocessor unit (3-2).
7. dynamic high-precision grating scale angle of rudder reflection measurement mechanism according to claim 1, it is characterized in that, described communication unit (3-6) comprises RS-422 driving chip and network interface chip.
8. adopt dynamic high-precision grating scale angle of rudder reflection measurement mechanism according to claim 1 to realize the method for angle of rudder reflection measurement, it is characterized in that, the concrete steps that it comprises are as follows:
Steps A 1: angle of rudder reflection is measured support (1) and be installed to missile tail, and clamp bracket combination (1-2) is fixed on the rudder face of missile tail;
Steps A 2: open angle of rudder reflection measure on cabinet (5) power switch;
Steps A 3: using angle of rudder reflection display combination (3) as server, host computer (4) is as client, and the network information of configuration host computer (4) realizes host computer (4) and angle of rudder reflection display combination (3) network communication;
Steps A 4: host computer (4) the configuration angle of rudder reflection display combination sampling rate of (3), sampling channel, storage time information;
Steps A 5: during control surface deflection, the key light grid of grating scale and the indication grating relative displacement on read head can produce Moire fringe, and described Moire fringe is grating signal;
Steps A 6: the grating signal collected in steps A 5 is sent to grating signal processing unit (3-1) and this grating signal is converted into electric signal;
Steps A 7: the electric signal obtained is sent to microprocessor unit (3-2) by micro controller unit (3-3) by grating signal processing unit (3-1);
Steps A 8: the electric signal received calculates by microprocessor unit (3-2), obtains the angle value of control surface deflection;
Steps A 9: the angle value of the control surface deflection calculated is sent to host computer (4) by communication unit (3-6) by microprocessor unit (3-2).
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| CN107672822B (en) * | 2017-08-28 | 2021-09-14 | 西北工业大学 | Device and method for measuring motion of movable surface of aircraft |
| CN107655439B (en) * | 2017-09-19 | 2020-06-02 | 北京电子工程总体研究所 | Automatic interpretation method for control surface step test result |
| CN110703646B (en) * | 2019-10-10 | 2021-11-19 | 上海联之承电子系统集成有限公司 | Automatic control type singlechip data acquisition control system and method |
| CN112344859A (en) * | 2020-09-14 | 2021-02-09 | 桂林电子科技大学 | Displacement measurement method based on grating read head combination |
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